I stumbled across this and it is hilarious. Basically someone types a button command into chat (a, b, start, left, right, down, up) and the button input is done in game (in this case, Pokemon Red). 30,000 people are clicking random buttons to affect in game and it is insanity.

This is what it looks like if my explanation doesn't make sense:

I have been watching for a couple of hours and it is a crazy fun time killer.